This is the fifty-first volume of The Canadian Yearbook of International Law, the first volume of which was published in 1963. The Yearbook is issued annually under the auspices of the Canadian Branch of the International Law Association and the Canadian Council on International Law. Under the leadership of John H. Currie of the University of Ottawa as Editor-in-Chief and René Provost of McGill University as Associate Editor, its board of editors includes scholars from leading universities across Canada. The Yearbook contains articles of lasting significance in the field of international legal studies, a notes and comments section, a digest of international economic law, a section on current Canadian practice in international law (including recent parliamentary declarations and Canadian treaty actions), a digest of important Canadian cases in the fields of public and private international law, and a book reviews section.